Field standards

1. General. a. Isolation. A field producing any class of certified seed must have the minimum isolation distance from fields of any other variety of the same kind, or from a noncertified crop of the same variety as follows: (1) Producing foundation seed (a) Crambe - Six hundred sixty feet. [201.17 (b) Mustard - One thousand three hundred twenty feet. [402.34] (c) Rapeseed - Six hundred sixty feet . [201.17 (2) Producing registered crambe seed - six hundred sixty feet [201.17 meters]. (3) Producing certified seed (a) Crambe - Six hundred sixty feet. [201.17] (b) Mustard - Six hundred sixty feet. [201.17] (c) Rapeseed - Three hundred thirty feet [100.58]. (d) Required isolation between classes of the same variety - ten feet [3.05 meters]. b. Unit of certification. The field is the unit of certification. A portion of a field may be accepted for certification provided that the rejected portion in no way impairs the genetic purity of the portion accepted. 2. Specific field standards. Maximum Permitted in Each Class Registered Factor Foundation Crambe Only Certified Other varieties * 1:2,000 1:2,000 1:500 Inseparable other crops 1:2,000 1:2,000 1:500 *Other varieties include plants that can be differentiated from the variety being inspected, but shall not include variants characteristic of the variety.